438 Mechanics of Materials S16.5 Gage Patterns Actual Size (Grids Run Vertically 015DJ 250YA (Actual Size) 年 米 (Twice Size）) 015EH 250NA 270TN 的 (Aclual Size) 冲 n 面 (Twice Size) 015LA 250RA 37588 (Actual Size） (Twice Size) 19CDK 250TL 250TD 250TM 250TF Fig.16.8.Typical gauge sizes and formats.(Welwyn Strain Measurement Division.)